the standards used in the productionof bearings are based on very complex data and calculations and at the same time it is speccally designed for bearings. These standards are within the organization and away from the reach of others are used only in production lines. ISO standards in the bearing industry are formulated in general and are available to the public for bearing users. Tolerances and bearing standards are generally very accurate and these tolerances are classified according to the accuracy of the bearings.
